The attached zip-format file contains the source code for a VisualAPL project that illustrates how to call APL+Win and subscribe to the APL+Win ActiveX server 'Notify' event.

The attached pdf-format document describes details of this project. The document explains the use of a C# 'Helper' .Net assembly to provide an 'APLNotify' event that supports a .Net 'standard' event handler method signature.